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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
struct X0 {
X0 f1();
X0 f2();
};
template<typename T>
struct X1 {
X1<T>(int);
(X1<T>)(float);
X1 f2();
X1 f2(int);
X1 f2(float);
};
// Error recovery: out-of-line constructors whose names have template arguments.
template<typename T> X1<T>::X1<T>(int) { } // expected-error{{out-of-line constructor for 'X1' cannot have template arguments}}
template<typename T> (X1<T>::X1<T>)(float) { } // expected-error{{out-of-line constructor for 'X1' cannot have template arguments}}
// Error recovery: out-of-line constructor names intended to be types
X0::X0 X0::f1() { return X0(); } // expected-error{{qualified reference to 'X0' is a constructor name rather than a type wherever a constructor can be declared}}
struct X0::X0 X0::f2() { return X0(); }
template<typename T> X1<T>::X1<T> X1<T>::f2() { } // expected-error{{qualified reference to 'X1' is a constructor name rather than a template name wherever a constructor can be declared}}
template<typename T> X1<T>::X1<T> (X1<T>::f2)(int) { } // expected-error{{qualified reference to 'X1' is a constructor name rather than a template name wherever a constructor can be declared}}
template<typename T> struct X1<T>::X1<T> (X1<T>::f2)(float) { }
// We have a special case for lookup within using-declarations that are
// member-declarations: foo::bar::baz::baz always names baz's constructor
// in such a context, even if looking up 'baz' within foo::bar::baz would
// not find the injected-class-name. Likewise foo::bar::baz<T>::baz also
// names the constructor.
namespace InhCtor {
struct A {
A(int);
protected:
int T();
};
typedef A T;
struct B : A {
// This is a using-declaration for 'int A::T()' in C++98, but is an
// inheriting constructor declaration in C++11.
using InhCtor::T::T;
};
#if __cplusplus < 201103L
B b(123); // expected-error {{no matching constructor}}
// expected-note@-7 2{{candidate constructor}}
int n = b.T(); // ok, accessible
#else
B b(123); // ok, inheriting constructor
int n = b.T(); // expected-error {{'T' is a protected member of 'InhCtor::A'}}
// expected-note@-15 {{declared protected here}}
template<typename T>
struct S : T {
struct U : S {
using S::S;
};
using T::T;
};
S<A>::U ua(0);
S<B>::U ub(0);
template<typename T>
struct X : T {
using T::Z::U::U;
};
template<typename T>
struct X2 : T {
using T::Z::template V<int>::V;
};
struct Y {
struct Z {
typedef Y U;
template<typename T> using V = Y;
};
Y(int);
};
X<Y> xy(0);
namespace Repeat {
struct A {
struct T {
T(int);
};
};
struct Z : A {
using A::A::A;
};
template<typename T>
struct ZT : T::T {
using T::T::T;
};
}
namespace NS {
struct NS {};
}
struct DerivedFromNS : NS::NS {
// No special case unless the NNS names a class.
using InhCtor::NS::NS; // expected-error {{using declaration in class refers into 'InhCtor::NS::', which is not a class}}
};
// FIXME: Consider reusing the same diagnostic between dependent and non-dependent contexts
typedef int I;
struct UsingInt {
using I::I; // expected-error {{'I' (aka 'int') is not a class, namespace, or scoped enumeration}}
};
template<typename T> struct UsingIntTemplate {
using T::T; // expected-error {{type 'int' cannot be used prior to '::' because it has no members}}
};
UsingIntTemplate<int> uit; // expected-note {{here}}
#endif
}
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